Home / 9,289.56-13,935.33-2,715.78

Finding the Fourth Proportional to 9,289.56, 13,935.33 and 2,715.78

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Solution

The fourth proportional to 9,289.56, 13,935.33 and 2,715.78 is: 4,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.56 : 13,935.33 = 2,715.78 : x
  2. Step 2: Convert to fraction form
    9,289.56/13,935.33 = 2,715.78/x
  3. Step 3: Cross multiply
    9,289.56x = 13,935.33 × 2,715.78
  4. Step 4: Simplify right side
    9,289.56x = 37,845,290.51
  5. Step 5: Solve for x
    x = 37,845,290.51/9,289.56
  6. Step 6: Final answer
    x = 4,073.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.